Boston Marathon logo
BOSTON MARATHON 2025

Jefferson Rodrigues De Mello

Bib: 970•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:17
Rank: #264
Start → 5K
17:17 | 5:34/mi
10K· 6.21 mi
34:52
Rank: #304 (-40)
5K → 10K
17:35 | 5:40/mi
15K· 9.32 mi
53:05
Rank: #395 (-91)
10K → 15K
18:13 | 5:52/mi
20K· 12.43 mi
1:11:10
Rank: #417 (-22)
15K → 20K
18:05 | 5:49/mi
Half· 13.11 mi
1:15:04
Rank: #419 (-2)
20K → Half
3:54 | 5:43/mi
25K· 15.53 mi
1:29:09
Rank: #414 (+5)
Half → 25K
14:05 | 5:49/mi
30K· 18.64 mi
1:47:56
Rank: #423 (-9)
25K → 30K
18:47 | 6:03/mi
20M
1:56:34
Rank: #447 (-24)
30K → 20M
8:38 | 6:21/mi
21M
2:03:26
Rank: #463 (-16)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:07:57
Rank: #472 (-9)
21M → 35K
4:31 | 6:02/mi
23M
2:15:58
Rank: #483 (-11)
35K → 23M
8:01 | 6:24/mi
24M
2:22:17
Rank: #504 (-21)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:27:43
Rank: #515 (-11)
24M → 40K
5:26 | 6:21/mi
25.2M
2:30:08
Rank: #517 (-2)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:36:37
Rank: #544 (-27)
25.2M → Finish
6:29 | 6:22/mi

Course Map & Elevation

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:04
Pace5:44 /mi
2nd Half
Distance13.11 mi
Time1:21:33
Pace6:13 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2017:175:3417:17
5:34
-
10K
6.21 mi10:34:5534:525:3717:35
5:40
+0:06
15K
9.32 mi10:53:0853:055:4218:13
5:52
+0:12
20K
12.43 mi11:11:131:11:105:4418:05
5:49
-0:03
Half
13.11 mi11:15:071:15:045:443:54
5:43
-0:06
25K
15.53 mi11:29:121:29:095:4414:05
5:49
+0:06
30K
18.64 mi11:47:591:47:565:4718:47
6:03
+0:14
20M
20.00 mi11:56:371:56:345:508:38
6:21
+0:18
21M
21.00 mi12:03:292:03:265:536:52
6:52
+0:31
35K
21.75 mi12:08:002:07:575:534:31
6:02
-0:50
23M
23.00 mi12:16:012:15:585:558:01
6:24
+0:22
24M
24.00 mi12:22:202:22:175:566:19
6:19
-0:05
40K
24.85 mi12:27:462:27:435:575:26
6:21
+0:02
25.2M
25.20 mi12:30:112:30:085:572:25
7:00
+0:39
Finish
26.22 mi12:36:402:36:375:596:29
6:22
-0:38

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:34 /mi

Average Pace

5:59 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:10:56

45% of race

Time at Steady Pace

41:31

27% of race

Time at Slower Pace

44:10

28% of race

Average Pace: 5:58 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:2017:175:3417:17
5:34
#264
10K
6.21 mi10:34:5534:525:3717:35
5:40
#304
15K
9.32 mi10:53:0853:055:4218:13
5:52
#395
20K
12.43 mi11:11:131:11:105:4418:05
5:49
#417
Half
13.11 mi11:15:071:15:045:443:54
5:43
#419
25K
15.53 mi11:29:121:29:095:4414:05
5:49
#414
30K
18.64 mi11:47:591:47:565:4718:47
6:03
#423
20M
20.00 mi11:56:371:56:345:508:38
6:21
#447
21M
21.00 mi12:03:292:03:265:536:52
6:52
#463
35K
21.75 mi12:08:002:07:575:534:31
6:02
#472
23M
23.00 mi12:16:012:15:585:558:01
6:24
#483
24M
24.00 mi12:22:202:22:175:566:19
6:19
#504
40K
24.85 mi12:27:462:27:435:575:26
6:21
#515
25.2M
25.20 mi12:30:112:30:085:572:25
7:00
#517
Finish
26.22 mi12:36:402:36:375:596:29
6:22
#544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi264236236660(Top 2%)614(Top 4%)614(Top 11%)
10K6.21 mi3.10 mi304-40275-39275-39379(Top 1%)349(Top 2%)349(Top 6%)
15K9.32 mi3.11 mi395-91364-89364-89660(Top 2%)614(Top 4%)614(Top 11%)
20K12.43 mi3.11 mi417-22385-21385-21465(Top 2%)434(Top 3%)434(Top 8%)
Half13.11 mi0.68 mi419-2387-2387-2444(Top 2%)416(Top 3%)416(Top 7%)
25K15.53 mi2.42 mi414+5380+7380+7429(Top 2%)398(Top 2%)398(Top 7%)
30K18.64 mi3.11 mi423-9388-8388-8567(Top 2%)529(Top 3%)529(Top 9%)
20M20.00 mi1.36 mi447-24412-24412-241084(Top 4%)1021(Top 6%)1021(Top 18%)
21M21.00 mi1.00 mi463-16426-14426-141729(Top 6%)1630(Top 10%)1630(Top 29%)
35K21.75 mi0.75 mi472-9435-9435-9781(Top 3%)727(Top 5%)727(Top 13%)
23M23.00 mi1.25 mi483-11442-7442-71123(Top 4%)1059(Top 7%)1059(Top 19%)
24M24.00 mi1.00 mi504-21462-20462-201336(Top 5%)1248(Top 8%)1248(Top 22%)
40K24.85 mi0.85 mi515-11473-11473-111083(Top 4%)1012(Top 6%)1012(Top 18%)
25.2M25.20 mi0.35 mi517-2475-2475-21443(Top 5%)1314(Top 8%)1314(Top 23%)
Finish26.22 mi1.02 mi544-27502-27502-272114(Top 7%)1932(Top 12%)1932(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

660

Males

614

M18-39

614

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

379

Males

349

M18-39

349

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

660

Males

614

M18-39

614

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

465

Males

434

M18-39

434

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

444

Males

416

M18-39

416

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

429

Males

398

M18-39

398

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

567

Males

529

M18-39

529

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1084

Males

1021

M18-39

1021

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1729

Males

1630

M18-39

1630

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

781

Males

727

M18-39

727

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1123

Males

1059

M18-39

1059

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1336

Males

1248

M18-39

1248

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1083

Males

1012

M18-39

1012

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1443

Males

1314

M18-39

1314

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2114

Males

1932

M18-39

1932

Passing Analysis

Category:
Athletes Passed
96
Passed By
376
Net Change
-280
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#264
5K → 10K444-40#264#304
10K → 15K394-91#304#395
15K → 20K1133-22#395#417
20K → Half24-2#417#419
Half → 25K1510+5#419#414
25K → 30K1625-9#414#423
30K → 20M529-24#423#447
20M → 21M521-16#447#463
21M → 35K514-9#463#472
35K → 23M1223-11#472#483
23M → 24M223-21#483#504
24M → 40K718-11#504#515
40K → 25.2M35-2#515#517
25.2M → Finish633-27#517#544
TOTALS96376-280
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing